1. Department of Geoecology Institute of Botany of the Czech Academy of Sciences Průhonice Czech Republic
2. Department of Vegetation Ecology Institute of Botany of the Czech Academy of Sciences Brno Czech Republic
3. Department of Botany, Faculty of Science Charles University Prague Czech Republic
4. Department of Archaeology and Museology, Faculty of Arts Masaryk University Brno Czech Republic
5. Department of Information Sources and Landscape Archaeology Institute of Archaeology of the Czech Academy of Sciences Prague Czech Republic
6. Institute of Archaeology, University College London London UK